Philips 170CW8FB/00, Service Manual

Page: 21 / 87

HUDSON 8 21
6. Schematic
6.1 Main Board
715G2498
-
1 AO
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
A A
B B
C C
D D
E E
* BKLT-EN High ON(3.3V)
Panel ID(3.3V PWM)
Back light
Dimming(3.3V PWM)
Near to Connect
CN201 A1
CN202
D1
C201 E2
C202 B3
C203 B5
C204 B4
C205 B5
C206 C4
C209 E2
C210 E2
FB201 A3
FB202 A4
Q202 C5
Q204 D6
Q205 D6
R201 C5
R202 B5
R207 D6
R208 D6
R210 D6
R213 D7
U201 A4
ZD201 E2
ZD202 E1
ZD203 E2
POWER
BKLT-EN
LED_G
LED_R LED_R
LED_G
POWER_KEY#
KEY0
KEY1
CMVCC
BKLT-EN
C_PANEL_INDEX
CMVCC
Volume#
Mute
BKLT-VBRI
INV_ON# {4}
LED_G# {4}
LED_R# {4}
POWER_KEY# {4}
KEY0 {4}
KEY1 {4}
Volume# {4}
Mute {4}
DIM# {4}
PANEL_ID# {4}
VCC3
VCC3
CMVCC
VCC3
CMVCC
MVCC
ZD201
NC
1
2
R207
120R 1/16W
C201
0.1uF/16V
Q205
PMBS3906
ZD202
NC
1
2
C204
0.1uF/16V
+
C202
100uF/25V
FB201
120
ǂ
R210 10K 1/16W
+
C203
100uF/25V
CN202
CONN
1
2
3
4
5
6
R201
200 1/16W
ǂ
R202
4K7 1/16W
Q202
PMBS3904
R213 10K 1/16W
Q204
PMBS3906
ZD203
NC
1
2
C206
0.1uF/16V
C205
0.1uF/16V
C209
0.1uF/16V
R208
120R 1/16W
FB202
NC
C210
0.1uF/16V
CN201
CONN
1
2
3
4
5
6
7
8
9
U201
AP1117E33LA
1
2 3
VSS
VOUT VIN